Microsoft Knowledge Base Article
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You receive an error message when you use a Terminal Services Client to start Outlook 2003
When you start Outlook 2003 by using a Terminal Services
Client such as Remote Desktop Connection (RDC), also known as the MSTSC.exe
file, you may receive the following error message:
file Path\Local Settings\Application
Data\Microsoft\Outlook\outlook.ost is in use and could not be accessed. Close
any application that is using this file, and then try again.
, the error message reappears. If you click
three times, Outlook 2003 switches to online mode and
This problem may occur if the following conditions are
- You install Outlook 2003 (or Microsoft Office 2003) on a
Windows Server 2003-based computer.
- You turn off Cached Exchange Mode.
- You leave Outlook 2003 running on the Windows Server
2003-based computer, and then connect to the server-based computer from a
remote workstation by using RDC.
- You start Outlook 2003 from the remote workstation remote
The error message occurs because the Outlook 2003 session that
is left running on the Windows Server 2003-based computer locks the offline
folder (.OST) file, and the second instance of Outlook 2003 that you started
from a remote workstation by using RDC cannot open the .OST file.
To work around this problem, use one of the following
- Quit Outlook 2003 on the Windows Server 2003-based
computer before you try to start Outlook 2003 by using RDC.
- If you prefer to leave Outlook 2003 running on the Windows
Server 2003-based computer, you can connect to the console session of the
server to remotely access the Outlook 2003 session. To do this, type the
following on the remote workstation computer:
mstsc /console Type your credentials as required, and then click
Connect. When you do this, RDC opens the existing console session with
Outlook 2003 running instead of opening a second session. You can then continue
to use Outlook 2003.
Note RDC is included with Microsoft Windows XP. RDC provides new
terminal features when you are working with other RDP 5.1 computers (such as
Microsoft Windows 2000 Server, Windows XP, and Microsoft Windows .NET Server).
To install RDC on a Microsoft Windows 98, Microsoft Windows Millennium Edition
(Me), or Microsoft Windows 2000-based computer, double-click the
MSRDPCLI.exe file on the Windows XP CD, in the \SUPPORT\TOOLS
folder. This file contains the setup for the Terminal Client Software (RDC or
the MSTSC.exe file).
has confirmed that this is a problem in the Microsoft products that are listed
at the beginning of this article.
Article ID: 826488 - Last Review: November 27, 2007 - Revision: 1.11
- Microsoft Office Outlook 2003
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